<template>
	<el-card class="box-card">
		<div slot="header" class="clearfix">
			<span>重置密码</span>
		</div>
		<!-- 表单 -->
		<el-form :model="pwdForm" :rules="pwdFormRules" ref="pwdFormRef" label-width="100px">
			<el-form-item label="原密码" prop="old_pwd">
				<el-input v-model="pwdForm.old_pwd" type="password" minlength="6" maxlength="15"></el-input>
			</el-form-item>
			<el-form-item label="新密码" prop="new_pwd">
				<el-input v-model="pwdForm.new_pwd" type="password"></el-input>
			</el-form-item>
			<el-form-item label="确认新密码" prop="re_pwd">
				<el-input v-model="pwdForm.re_pwd" type="password"></el-input>
			</el-form-item>
			<el-form-item>
				<el-button type="primary" @click="updatePwd">修改密码</el-button>
				<el-button @click="$refs.pwdFormRef.resetFields()">重置</el-button>
			</el-form-item>
		</el-form>
	</el-card>
</template>

<script>
	export default {
		name: 'UserPwd',
		data() {
			// 检验新旧密码是否相同
			const samePwd = (rule, value, callback) => {
				if (value === this.pwdForm.old_pwd) {
					return callback(new Error('新旧密码不能相同！'))
				}
				callback()
			}
			// 检验两次新密码是否一致
			const rePwd = (rule, value, callback) => {
				if (value !== this.pwdForm.new_pwd) {
					return callback(new Error('两次新密码不一致！'))
				}
				callback()
			}
			return {
				// 表单的数据对象
				pwdForm: {
					old_pwd: '',
					new_pwd: '',
					re_pwd: ''
				},
				// 表单的验证规则对象
				pwdFormRules: {
					old_pwd: [{
							required: true,
							message: '请输入密码',
							trigger: 'blur'
						},
						{
							pattern: /^\S{6,15}$/,
							message: '密码长度必须是6-15位的非空字符串',
							trigger: 'blur'
						}
					],
					new_pwd: [{
							required: true,
							message: '请输入新密码',
							trigger: 'blur'
						},
						{
							pattern: /^\S{6,15}$/,
							message: '密码长度必须是6-15位的非空字符串',
							trigger: 'blur'
						},
						{
							validator: samePwd,
							trigger: 'blur'
						}

					],
					re_pwd: [{
							required: true,
							message: '请再次确认新密码',
							trigger: 'blur'
						},
						{
							pattern: /^\S{6,15}$/,
							message: '密码长度必须是6-15位的非空字符串',
							trigger: 'blur'
						},
						{
							validator: rePwd,
							trigger: 'blur'
						}

					]
				}
			}
		},
		methods: {
			updatePwd() {
				// 1. 表单预校验
				// 2. 发起请求，更新密码
				// 3. 重置表单
				this.$refs.pwdFormRef.validate(async valid => {
					if (!valid) return

					const {
						data: res
					} = await this.$http.patch('/my/updatepwd', this.pwdForm)
					if (res.code !== 0) return this.$message.error('更新密码失败！')

					this.$message.success('更新密码成功！')
					this.$refs.pwdFormRef.resetFields()
				})
			}
		}
	}
</script>

<style lang="less" scoped>
	.el-form {
		width: 500px;
	}
</style>
